Ito En, Ltd.

Ito En manufactures and sells green tea beverages in Japan and globally. The company provides japanese tea, black tea, green tea, flavored tea, and chinese tea. Its portfolio also includes coffee beverages, fruit, vegetable, and beverages, and tea leaves, as well as mineral water, carbonated drinks, and dairy beverages the purchasing, processing, and sales of raw materials. Additionally, it manufacture and sell vitamins and supplement products.

It primarily operates under the O~i Tea, Oi Ocha, TULLY's COFFEE, and MATCHA GREEN TEA brands. Founded in 1964 and based in Tokyo, Japan, Ito En was formerly known as Frontier Tea Corporation before rebranding in May 1969.